Research Article

Crosslinguistic Developmental Consistency in the Composition of Toddlers’ Internal State Vocabulary: Evidence from Four Languages

Table 1

Descriptions of study measures.

Language group
ItalianGermanEnglishFrench

Mean age in months
 M (SD)30.63 (.50)30.13 (.35)32.14 (1.42)32.11 (1.64)
Maternal education53% 48%43% 31%
Secondary Secondary Secondary Secondary
education+educationeducationeducation
47% 52% 57% 69%
Postsecondary PostsecondaryPostsecondary Postsecondary
education*educationeducationeducation
Number of siblings
 M (SD).48 (.98).82 (.62).78 (.90).85 (.93)
 ILS overall
  M (SD)67.40% (18.85%)67.70% (20.28%)66.92% (19.68%)59.14% (21.36%)
  Range25%–97%25%–100%20%–100%9%–100%
 Physiology80.73% (17.17%)91.96 (10.96%)76.43% (20.94%)75.00% (21.90%)
44%–100%50%–100%11%–100%25%–100%
 Perception72.44% (16.83%)86.18% (17.37%)74.13% (20.40%)70.64% (24.38%)
36%–100%30%–100%31%–100%0%–100%
 Volition/62.11% (31.81%)83.82% (22.73%)72.09% (29.80%)63.51% (31.29%)
  ability 0%–100%0%–100%0%–100%0%–100%
 Emotion/68.81% (22.39%)65.17% (22.78%)75.13% (18.67%)59.46% (22.99%)
  affect 12%–100%14%–100%30%–100%8%–100%
 Moral 66.99% (22.64%)55.15% (32.98%)53.24% (27.14%)56.08% (27.53%)
  judgment/obligation 13%–100%0%–100%0%–100%0%–100%
 Cognition 48.75% (28.14%)39.54% (30.32%)41.58% (29.75%)33.11% (28.43%)
0%–100%0%–100%0%–100%0%–100%

High-school diploma/A-levels.
*Bachelor’s/Master’s degree.